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Index To The BGS Large Scale Geological Map Collection.
Index to BGS geological map 'Standards', manuscript and published maps for Great Britain produced by the Survey on County Series (1:10560) and National Grid (1:10560 &... -
Index To The BGS Medium Scale Geological Map Collection.
Digital index to the availability of published medium scale geological maps at 1:50000 scale and 1:63360 scale (one inch to one mile) produced by the Survey. The index was set...